[go: up one dir, main page]

CL2012002028A1 - Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a crosslinking agent comprising modified nanocrystalline cellulose (ncc) in which a modifier has a first functional group coupled with a ncc hydroxyl group and a second functional group coupled to said polymer. - Google Patents

Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a crosslinking agent comprising modified nanocrystalline cellulose (ncc) in which a modifier has a first functional group coupled with a ncc hydroxyl group and a second functional group coupled to said polymer.

Info

Publication number
CL2012002028A1
CL2012002028A1 CL2012002028A CL2012002028A CL2012002028A1 CL 2012002028 A1 CL2012002028 A1 CL 2012002028A1 CL 2012002028 A CL2012002028 A CL 2012002028A CL 2012002028 A CL2012002028 A CL 2012002028A CL 2012002028 A1 CL2012002028 A1 CL 2012002028A1
Authority
CL
Chile
Prior art keywords
ncc
functional group
group coupled
modifier
polymer
Prior art date
Application number
CL2012002028A
Other languages
Spanish (es)
Inventor
Shunxing Su
Wadood Y Hamad
Original Assignee
Fpinnovations
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fpinnovations filed Critical Fpinnovations
Publication of CL2012002028A1 publication Critical patent/CL2012002028A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/225—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
    • A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
    • A61L27/48—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with macromolecular fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
    • C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/005—Reinforced macromolecular compounds with nanosized materials, e.g. nanoparticles, nanofibres, nanotubes, nanowires, nanorods or nanolayered materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2400/00—Materials characterised by their function or physical properties
    • A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Nanotechnology (AREA)
  • Hematology (AREA)
  • Composite Materials (AREA)
  • Dermatology (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Hidrogel nanocompuesto que comprende un polímero hidrofílico entrecruzado por un agente de entrecruzamiento que contiene celulosa nanocristalina (NCC) modificada en la cual un modificador tiene un primer grupo funcional acoplado con un grupo hidroxilo de la NCC y un segundo grupo funcional acoplado a dicho polímero; método para preparar dicho hidrogel; dispositivo médico; dispositivo de higiene absorbente.Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a cross-linked agent containing modified nanocrystalline cellulose (NCC) in which a modifier has a first functional group coupled with an NCC hydroxyl group and a second functional group coupled to said polymer; method for preparing said hydrogel; medical device; absorbent hygiene device.

CL2012002028A 2010-01-22 2012-07-20 Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a crosslinking agent comprising modified nanocrystalline cellulose (ncc) in which a modifier has a first functional group coupled with a ncc hydroxyl group and a second functional group coupled to said polymer. CL2012002028A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28231910P 2010-01-22 2010-01-22

Publications (1)

Publication Number Publication Date
CL2012002028A1 true CL2012002028A1 (en) 2012-11-30

Family

ID=44306343

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2012002028A CL2012002028A1 (en) 2010-01-22 2012-07-20 Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a crosslinking agent comprising modified nanocrystalline cellulose (ncc) in which a modifier has a first functional group coupled with a ncc hydroxyl group and a second functional group coupled to said polymer.

Country Status (10)

Country Link
US (1) US8828434B2 (en)
EP (1) EP2526150B1 (en)
JP (1) JP2013517353A (en)
CN (1) CN102834454A (en)
AU (1) AU2011207070A1 (en)
BR (1) BR112012018018A2 (en)
CA (1) CA2786738C (en)
CL (1) CL2012002028A1 (en)
RU (1) RU2012136136A (en)
WO (1) WO2011088562A1 (en)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2536787B1 (en) * 2010-02-18 2019-11-27 FPInnovations Thermoplastic nanocomposite material based on nanocrystalline cellulose (ncc)
US9751969B2 (en) 2011-09-13 2017-09-05 Celluforce Inc. NCC-based supramolecular materials for thermoplastic and thermoset polymer composites
US20130274149A1 (en) * 2012-04-13 2013-10-17 Schlumberger Technology Corporation Fluids and methods including nanocellulose
US20150072902A1 (en) * 2012-04-13 2015-03-12 Schlumberger Technology Corporation Fluids and Methods Including Nanocellulose
US20140074231A1 (en) * 2012-09-07 2014-03-13 Regents Of The University Of Minnesota Biocompatible compositions and methods of manufacture
US9624330B2 (en) 2012-11-12 2017-04-18 Celluforce Inc. NCC as a functional scaffold for amine-cured epoxy nanocomposite materials of tunable properties
US20160002457A1 (en) * 2013-02-20 2016-01-07 Celluforce Inc. Tunable and responsive photonic hydrogels comprising nanocrystalline cellulose
US9656914B2 (en) 2013-05-01 2017-05-23 Ecolab Usa Inc. Rheology modifying agents for slurries
US9410288B2 (en) 2013-08-08 2016-08-09 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
US9303360B2 (en) * 2013-08-08 2016-04-05 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
US9034145B2 (en) 2013-08-08 2015-05-19 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process
EP3052699B1 (en) * 2013-10-01 2019-03-06 Ecolab USA Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process
US9834730B2 (en) 2014-01-23 2017-12-05 Ecolab Usa Inc. Use of emulsion polymers to flocculate solids in organic liquids
US20160369121A1 (en) * 2014-03-27 2016-12-22 Melodea Ltd. Nanocrystaline cellulose as absorbent and encapsulation material
FI3186326T3 (en) 2014-09-26 2024-05-14 Renmatix Inc Adhesive compositions comprising type-ii cellulose
FI20146134A7 (en) * 2014-12-22 2016-06-23 Kemira Oyj A method for producing interpenetrating polymer network material, a product thereof and use of the product
US10442181B2 (en) 2015-07-22 2019-10-15 Ricoh Company, Ltd. Hydrogel object and method of manufacturing hydrogel object
JP6945272B2 (en) * 2015-07-22 2021-10-06 株式会社リコー Three-dimensional model and its manufacturing method
US10632223B2 (en) 2015-09-29 2020-04-28 Kimberly-Clark Worldwide, Inc. Materials that shrink in one dimension and expand in another dimension
WO2017066540A1 (en) 2015-10-15 2017-04-20 Ecolab Usa Inc. Nanocrystalline cellulose and polymer-grafted nanocrystalline cellulose as rheology modifying agents for magnesium oxide and lime slurries
WO2017117650A1 (en) * 2016-01-10 2017-07-13 Smilesonica Inc Viscosity and stability modified ultrasound gel
BR112019006755B1 (en) 2016-10-25 2022-07-12 Kimberly-Clark Worldwide, Inc SUBSTRATE, AND, METHOD FOR MANUFACTURING A SUBSTRATE
CN106675527B (en) * 2017-01-05 2019-08-27 江南大学 A kind of nano-cellulose composite hydrogel-based phase change material and its preparation method and application
US11174325B2 (en) 2017-01-12 2021-11-16 Carnegie Mellon University Surfactant assisted formation of a catalyst complex for emulsion atom transfer radical polymerization processes
WO2018152627A1 (en) 2017-02-22 2018-08-30 Smilesonica Inc. Artificial saliva, related methods, and uses
CN107043441B (en) * 2017-04-24 2019-09-10 武汉大学 Ascidian Cellulose nanocrystal body/polyalcohol hydrogel and its preparation method and application
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries
CN107337752A (en) * 2017-09-09 2017-11-10 吉林大学 A kind of preparation method of high intensity temperature sensitive type flexible actuator
CN111757719A (en) 2018-03-22 2020-10-09 金伯利-克拉克环球有限公司 Product having material that shrinks in one dimension and expands in another dimension
CN108752530A (en) * 2018-05-09 2018-11-06 同济大学 It can the temperature-sensitive hydrogel materials of load cells, temperature-sensitive hydrogel and the preparation method and application thereof
WO2020031186A1 (en) * 2018-08-06 2020-02-13 Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. Cellulose-based topical formulations
EP3836969A4 (en) 2018-08-14 2022-06-01 University of Washington Zwitterionic double network hydrogels
EP3846934A4 (en) * 2018-09-07 2022-06-08 FPInnovations SUPERABSORBENT ALL-CELLULOUS HYDROGELE AND PROCESS FOR THEIR MANUFACTURE
JP7027289B2 (en) * 2018-09-27 2022-03-01 鹿島建設株式会社 Expansion and contraction device and installation method of expansion and contraction device
CN109503765B (en) * 2018-11-19 2021-07-02 华南理工大学 Preparation method of cellulose ion conductive hydrogel and prepared hydrogel
CN111434698A (en) * 2019-01-14 2020-07-21 中国科学院宁波材料技术与工程研究所 Preparation method of 3D printing hydrogel and application of prepared hydrogel
CN110698581A (en) * 2019-11-07 2020-01-17 中国人民大学 A kind of waterproof and easy to peel wound dressing and preparation method thereof
CN112210090A (en) * 2020-10-16 2021-01-12 淄博宏达助剂有限公司 Mxene-polyacrylic acid composite hydrogel and preparation method thereof
CN113087925B (en) * 2021-03-15 2022-07-05 武汉大学 A stimuli-responsive hydrogel and a method for rapidly and efficiently preparing the stimuli-responsive hydrogel
WO2023137214A2 (en) * 2022-01-16 2023-07-20 Butler Michael George Digitally-controlled wall-building systems having an improved construction sequence
CN115305601B (en) * 2022-09-02 2023-09-12 南开大学 A method for preparing high-strength and high-tenacity artificial spider silk based on double cross-linked network
CN115746208B (en) * 2022-12-16 2025-03-14 中国林业科学研究院林产化学工业研究所 A cellulose/acrylamide ultra-stretchable, adhesive hydrogel and preparation method thereof
CN116041738B (en) * 2023-01-10 2023-08-22 东北林业大学 A preparation method of multi-fluorescent cellulose-based hydrogel based on excitation wavelength dependence and its application in multi-mode four-dimensional anti-counterfeiting
CN117752552B (en) * 2023-12-26 2024-07-12 上海世领制药有限公司 Hydrophilic whitening agent, silica gel composition, whitening and freckle-removing patch and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51125468A (en) * 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
US4194877A (en) * 1977-11-28 1980-03-25 United States Of America Dye-containing polymer composition
US20050037082A1 (en) 2003-08-13 2005-02-17 Wan-Kei Wan Poly(vinyl alcohol)-bacterial cellulose nanocomposite
US20080146701A1 (en) * 2003-10-22 2008-06-19 Sain Mohini M Manufacturing process of cellulose nanofibers from renewable feed stocks
CN1312249C (en) * 2005-06-29 2007-04-25 中国科学院广州化学研究所 Nano cellulose solid-solid phase transition material and its preparing method
RU2298022C2 (en) * 2005-07-20 2007-04-27 Александр Львович Буянов Composite material capable of forming hydrogel, and hydrogel
EP2536787B1 (en) * 2010-02-18 2019-11-27 FPInnovations Thermoplastic nanocomposite material based on nanocrystalline cellulose (ncc)

Also Published As

Publication number Publication date
EP2526150A1 (en) 2012-11-28
JP2013517353A (en) 2013-05-16
RU2012136136A (en) 2014-02-27
AU2011207070A1 (en) 2012-08-09
US20110182990A1 (en) 2011-07-28
BR112012018018A2 (en) 2016-05-03
US8828434B2 (en) 2014-09-09
EP2526150B1 (en) 2018-04-25
CN102834454A (en) 2012-12-19
EP2526150A4 (en) 2014-07-02
WO2011088562A1 (en) 2011-07-28
CA2786738C (en) 2014-06-17
CA2786738A1 (en) 2011-07-28

Similar Documents

Publication Publication Date Title
CL2012002028A1 (en) Nanocomposite hydrogel comprising a hydrophilic polymer crosslinked by a crosslinking agent comprising modified nanocrystalline cellulose (ncc) in which a modifier has a first functional group coupled with a ncc hydroxyl group and a second functional group coupled to said polymer.
BRPI0821003B8 (en) method to increase immunoreactivity
BR112012013579A2 (en) process for preparing an unsupported solid metallocene catalyst system and its use in polyolefin polymerization
CL2012002281A1 (en) Process for producing a hydrophobic nanocrystalline cellulose nanocomposite (ncc) and a hydrophobic polymerized vinyl monomer, which comprises the polymerization of at least one hydrophobic vinyl monomer in the presence of ncc particles in an aqueous medium; hydrophobic nanocomposite
BR112013021578A2 (en) concentrated solution for polymer crosslinking, and method
CL2016001041A1 (en) Biodegradable intraocular implant containing a biodegradable polymer matrix, polyethylene glycol 3350 and a prostamide; use thereof in reducing the eye pressure in the eye of a mammal; apparatus for administering the biodegradable intraocular implant; and method to make a biodegradable intraocular implant.
MX2011003557A (en) Interface layer wound dressing.
BR112013007740A2 (en) methods for processing microspheres, microspheres processed by such methods and their uses
BR112013010693A2 (en) biocompatible agent for dispersing nanoparticles in an aqueous medium using mussel adhesive protein mimetic polymer
WO2009140423A3 (en) Targeted polymer bioconjugates
BRPI1016147A2 (en) intrauterine system for use in the treatment of a medical condition, and method for the manufacture of an intrauterine system
MX378792B (en) MODIFIED HOST CELLS AND HYBRID OLIGOSACCHARIDES FOR USE IN BIOCONJUGATE PRODUCTION.
PE20141362A1 (en) ORTHOPEDIC SURGICAL GUIDE
BR112012026707A2 (en) use of an afucosylated anti-cd20 antibody, composition comprising an afucosylated anti-cd20 antibody and method of treating cancer patients by administering an afucosylated anti-cd20 antibody
BR112012013427A2 (en) circulation of components during emulsion homogenization
CL2012001103A1 (en) A method of reducing the level of deacetylated tau polypeptide in a cell, comprising contacting the cell with an agent that increases the activity of a polypeptide that deacetylates tau and / or an agent that decreases the activity of a polypeptide that acetylates tau; and therapeutic uses to treat tauopathy.
MX360712B (en) Fabric conditioning composition.
EP2314326A3 (en) Surgical compositions
EP3015506A4 (en) Composition, porous polymer membrane and hydrophilic agent
ATE527176T1 (en) PACKAGING SOLUTIONS
BR112013014522A2 (en) afucosylated anti-cd20 antibody and its use, composition and method for treating a cancer patient
BR112017007498A2 (en) method of treating a portion of a well, well system, and well treatment fluid.
WO2013013030A3 (en) Nanocomposite polymer hydrogel with aligned nanoparticles
MX2015012482A (en) Hydrocolloid wound dressings with increased wvtr.
BR112012028194A2 (en) composition and process for preparing the composition